#include <stdio.h>

typedef struct node{
    char b;
    struct node *pnext;
}node_t;

int main(void){
    
    node_t node1;
    node_t node2;
    node1.b = 'A';
    node2.b = 'B';
    node1.pnext = &node2;

    printf("node1.b = %c\n", node1.b);
    printf("node2.b = %c\n",node1.pnext->b);


    return 0;
}